7 commits

Author	SHA1	Message	Date
sheaf	a4e9c1cf32	preparation for interval arithmetic	2023-01-13 06:32:34 +01:00
sheaf	8fc5e6c9b8	compute brush strokes using the envelope equation	2023-01-11 15:26:12 +01:00
sheaf	671dae5474	use R2 instead of Point2D & Vector2D	2023-01-09 04:27:08 +01:00
sheaf	22820b328d	more cabal file cleanups	2023-01-09 02:54:42 +01:00
sheaf	5bd4e7f4cf	framework for brush differentiation	2023-01-08 17:16:14 +01:00
sheaf	4e5c848883	kill off brush EDSL	2022-12-11 02:33:34 +01:00
sheaf	64e45f126b	Refactor module hierarchy, use internal records	2022-02-11 22:05:13 +01:00